Numbers n such that (Sum (2k)^k, k=1..n) + 1 is prime.

A097349

Numbers n such that (Sum (2k)^k, k=1..n) + 1 is prime.

Terms

    a(0) =1a(1) =2a(2) =13a(3) =72a(4) =318a(5) =13583

External references